LM4140CCM-1.0

The LM4140CCM-1.0 is a precision voltage reference integrated circuit (IC) manufactured by Texas Instruments. It is designed to provide a stable reference voltage output, making it ideal for applications requiring high accuracy and low drift over temperature and time.

Key Features:

1. Output Voltage: The LM4140CCM-1.0 provides a fixed output voltage of 1.0V, which is highly stable and accurate.

2. Precision: This voltage reference boasts a typical initial accuracy of ±0.5%, ensuring that the output voltage remains close to the specified value under various conditions.

3. Temperature Coefficient: The device has a low temperature coefficient, typically around 30 ppm/°C, which means that the output voltage changes very little with temperature variations, enhancing its reliability in temperature-sensitive applications.

4. Low Noise: The LM4140CCM-1.0 features low output noise, making it suitable for precision analog applications where noise can significantly affect performance.

5. Power Supply Rejection Ratio (PSRR): The IC exhibits excellent PSRR, allowing it to maintain a stable output voltage even when the input supply voltage fluctuates.

6. Operating Current: The device operates with a low quiescent current, which is beneficial for battery-powered applications, helping to extend battery life.

7. Package Type: The LM4140CCM-1.0 is available in a compact surface-mount package (SOT-23), making it suitable for space-constrained designs.

8. Applications: This voltage reference is commonly used in data acquisition systems, precision instrumentation, analog-to-digital converters (ADCs), and other applications where a stable reference voltage is critical.

Electrical Characteristics:

• Input Voltage Range: The LM4140 can operate with a wide input voltage range, typically from 2.5V to 15V.
• Output Impedance: The output impedance is low, which helps maintain the output voltage under varying load conditions.
• Load Regulation: The device provides good load regulation, ensuring that the output voltage remains stable even as the load current changes.

Conclusion:

The LM4140CCM-1.0 from Texas Instruments is a highly reliable and precise voltage reference suitable for a variety of applications requiring stable voltage outputs. Its combination of low noise, low drift, and compact packaging makes it an excellent choice for engineers looking to enhance the performance of their electronic designs.